plzz help! (will give brainliest+78 points to the answer that is in its own words and is correct) ...also plzzz don't write a wrong answer just to get the points because I really need help (thank You!)

An open system is defined as a “system in exchange of matter with its environment, presenting import and export, building-up and breaking-down of its material components.” Closed systems, on the other hand, are held to be isolated from their environment.

Explanation:

A)

Explanation:

''Joe was angry because William ate the rest of the remaining Chinese food.''

I have found that this is the sentence which is missing in your question.

I also think that the more of your question is missing, perhaps some paragraph or excerpt but i have found that the right answer is a).